The national average cost to build a new shed on your property can range from $17 to $24 per square foot for new shed construction, or from $1,500 to $15,000 for a completed project. costs can vary based on whether you get original construction or purchase a prefab kit and hire a pro to build it for you.. Walls and roofing: pressure-treated lumber posts, beams, rafters and joists cost an average of $6.50 per square foot, while roofing averages $12 to $15 for a 2-foot by 16-foot length; siding: osb siding costs around $2 to $4 per square foot, while cedar plywood costs $2.75 to $6.50 per square foot; door: a simple door should cost around $140 on. At $4,300 that equates to $29.86 per square foot. storage containers offer a cost saving of $8.15 per square foot when shopping shed prices at a local big box store. the greatest advantage to using shipping containers as storage sheds is that they are better constructed. they are constructed of 14 gauge corten steel..
However, the most common shed size is 10x12 or 120 square feet. the average prices above represent a 120sf shed. however, shed sizes usually start at 8x6, for simple lawn mower storage and move up to 16x12 for an atv or motorcycle. expect your shed cost to increase about $30 per square foot added (if you hire a pro). how to build a shed. That being said, the average cost of a custom-built, traditional storage shed will come in at around $22.00 per square foot. for an shed measuring 10’x12′, with a poured slab, that translates into a cost of roughly $2640.00.. If you were wondering how much a house-like shed costs, here’s the price: a 12 ft. x 24 ft. gable style wood storage kit with floor, windows and doors costs around $7000. the above design is perfect for a small office or a place where you can enjoy some alone time. you can also use it as a guest room. gambrel sheds.